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Finding the Fourth Proportional to 482,394.22, 665,687.16 and 267,554.27

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Solution

The fourth proportional to 482,394.22, 665,687.16 and 267,554.27 is: 369,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,394.22 : 665,687.16 = 267,554.27 : x
  2. Step 2: Convert to fraction form
    482,394.22/665,687.16 = 267,554.27/x
  3. Step 3: Cross multiply
    482,394.22x = 665,687.16 × 267,554.27
  4. Step 4: Simplify right side
    482,394.22x = 178,107,443,806.39
  5. Step 5: Solve for x
    x = 178,107,443,806.39/482,394.22
  6. Step 6: Final answer
    x = 369,215.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.